A meteor when enters into the earth atmosphere burns what happens to its energy?​

Answer: no exact answer

=

Explanation:

Answer:

A 220 N

Explanation:

it’s the only one not marked out on the photo. Hope this helps!

The elongation of the spring is 19.9 cm.

What is Buoyant force?

Buoyant force is the upward force exerted on an object when it is immersed or floating in a fluid. It is a result of the pressure difference between the top and the bottom of the object due to the weight of the fluid it displaces. The magnitude of the buoyant force is equal to the weight of the displaced fluid. This is why objects that are less dense than the fluid they are in will float, while objects that are more dense will sink.

The buoyant force acting on the block of wood is given by:

FB = ρVg

where ρ is the density of the water, V is the volume of the displaced water, and g is the acceleration due to gravity.

The volume of the displaced water is equal to the volume of the block, which is given by:

V = m/ρ

= 4.15 kg / 661 kg/m³

= 0.006273 m³

So, the buoyant force is:

FB = ρVg = 1000 kg/m³ * 0.006273 m³ * 9.8 m/s² = 61.38 N

At equilibrium, the weight of the block is balanced by the spring force and the buoyant force:

mg = ks + FB

where m is the mass of the block, g is the acceleration due to gravity, k is the spring constant, s is the elongation of the spring, and FB is the buoyant force.

Solving for s, we get:

s = (mg - FB) / k

s = (4.15 kg * 9.8 m/s² - 61.38 N) / 166 N/m

s = 0.199 m = 19.9 cm

Therefore, the elongation of the spring is 19.9 cm.

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Answer:

Explanation:

where is the question

The work done by the gas is - 41 J.

As per the data given:

There is a gas expansion.

During this gas expansion 87 j of heat is released to the surroundings.

Heat = 87 j

Also the internal energy of the system decreases by 128 j.

Change in energy Δv = 128 j

Here we have to determine the work done by the gas.

Δv = Heat + work done by the gas

Work done by the gas = Heat - Δv

Work done by the gas = (128 - 87) J

= 41 J

As the the internal energy of the system decreases and gas is expanded  so the work done by the gas will be negative.

Therefore Work done by the gas = - 41 J

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The line where the two charges meet is the point of attraction or repulsion. The square of the distance between the two charges and the strength of the force are inversely related. Thus, option C is correct.

Finally, there are two different kinds of electric charge, which we will refer to as positive charge and negative charge. According to Newton's third law, this is the strength of the force that one charge has on the other charge.

With the use of Coulomb's law, the force of electromagnetic attraction or repulsion between two charges can be determined.

In contrast to like charges, which resist one another, opposite charges attract one another. A positive charge therefore attracts a negative charge, but two negative charges repel one another.

Therefore, Two charges interact electromagnetically.

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The magnitude of the minimum force the professor needs to exert on the cart is approximately 150 N.

The acceleration of the cart can be found by equating the final kinetic energy (at the top of the ramp) to the initial kinetic energy:

(1/2) m v_final^2 = (1/2) m v^2

Solving for the final speed, we get:

v_final = sqrt(v^2 - 2 g h)

Substituting the given values, we get:

v_final = sqrt((5.3 m/s)^2 - 2 x 9.81 m/s^2 x 1.42 m) ≈ 4.23 m/s

Since we want the final speed to be at least 4.4 m/s, the cart will need to be accelerated at the top of the ramp. The minimum force required to provide this acceleration can be found as follows:

F = m (v_final^2 - v_desired^2) / (2 h)

where v desired is the desired speed at the top of the ramp (i.e., 4.4 m/s). Substituting the given values, we get:

F = 100 kg x (4.23 m/s)^2 - (4.4 m/s)^2) / (2 x 1.42 m) ≈ 150 N

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In each of the following cases, work is done as follows:

What is work?

Work is a term used in physics to describe the transfer of energy from one system to another. Work is done when a force is applied to an object, causing it to move a certain distance in the direction of the force.

a) A physics student works tirelessly on this homework assignment: No work is done in this scenario as work is defined as the transfer of energy from one system to another. Writing a homework assignment does not involve the transfer of energy from one system to another.

b) An elevator takes you from the 1st to the 3rd floor of Suncoast, and returns to the 1st floor: Work is done in this scenario as the elevator moves against the force of gravity, lifting the people and its own weight from the 1st to the 3rd floor, and then back to the 1st floor.

c) A link pulls a block 10 m across the floor of a temple at constant speed: Work is done in this scenario as the link exerts a force on the block, causing it to move in the direction of the force, covering a distance of 10 m.

d) A guy pushes the wall with all his strength: No work is done in this scenario as work is defined as the transfer of energy from one system to another. Pushing the wall does not result in the transfer of energy from one system to another, and the wall does not move.

e) A student picks up a textbook from the ground: Work is done in this scenario as the student lifts the textbook against the force of gravity, causing the textbook to gain potential energy.

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Top-down processing is used when we interpret new stimuli in light of our prior knowledge. The image focused on each retina is from a slightly different angle because we have two eyes in two separate places. Binocular disparity is the term for this phenomenon.

There are two main approaches to making meaning of stimuli: bottom-up and top-down. Bottom-up processing occurs when we let the data itself, free of any preconceived ideas, shape our perception.

In top-down processing, we interpret what we perceive by drawing on our prior knowledge and expectations.

According to the theory of "top-down processing," our brains first build a notion of the overall picture based on prior knowledge before breaking it down into more detailed information. We use our perceptual set—past experiences, expectations, and emotions—to interpret the world around us.

Therefore, when we process new stimuli based on our past experiences, we are using top-down processing.

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Fall height, h = 6.0 m

Initially, u = 12 m/s

Let,

The final speed is v be $

Now, according to the equation of energy conservation, = Initial total energy=Final total energy entails

1 /2  muΛ2+mgh= 1/ 2  mvΛ2\ indicates vΛ2 = uΛ2 + 2mgh \suggests vΛ2 = 12Λ2+2\ times 9.81 times\ 6.0\ implies v = 16.18 m/s$

The decision and practice of using less energy is known as energy conservation. Turning off the light when you leave a room, unplugging equipment when not in use, and walking instead of driving are all ways to save energy. Renewable energy sources are natural resources that can be transformed into these sorts of clean, useable energy: biomass, geothermal resources, sunshine, water, and wind. Bioenergy. Consuming less energy or reducing power consumption reduces the demand for energy production. There will be fewer carbon dioxide emissions, which will contribute to climate change. As a result, it will produce cleaner and healthier air.

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The minimum uncertainty in the position of a proton accelerated in a cyclotron to a very high speed is equal to the wavelength of the light emitted from the particle as it is accelerated.

The minimum uncertainty in the position of the proton is determined by Heisenberg's uncertainty principle. According to this principle, the minimum uncertainty in the position of the proton is equal to the wavelength of the light used to measure its position. In other words, the minimum uncertainty in the position of the proton is equal to the inverse of the energy of the light used to measure its position. In the case of a cyclotron, the light used to measure the position of the proton is the light emitted from the particle as it is accelerated. The energy of this light is related to the speed of the proton. Thus, the minimum uncertainty in the position of the proton is equal to the inverse of the energy of the light, which is equal to the inverse of the speed of the proton - or the wavelength of the light emitted from the particle as it is accelerated.

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With the same continuous broadband masking noise, the 4000-Hz tone is probably harder to distinguish than the 1500-Hz tone.

Generally speaking, lower-frequency noises are more easily concealed or drowned out by ambient noise than higher-frequency ones. Lower-frequency sounds have longer wavelengths than higher-frequency ones, making them more susceptible to interference and phase cancellation from the noise.

Consequently, compared to the 1500-Hz tone, the 4000-Hz tone is perhaps more challenging to distinguish from the same continuous broadband masking noise. The 4000-Hz tone is more sensitive to being masked by background noise because of its higher frequency and shorter wavelength.

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1) Solar energy

2) Mechanical energy

3) Electrical energy and light energy

4) Mechanical energy

5) Heat and light energy

6) Electrical energy

Energy transformation, also known as energy conversion, is the process by which energy is transferred from one form to another. Energy exists in many forms, including thermal energy, light energy, kinetic energy, potential energy, and chemical energy. In any energy transformation, the total amount of energy remains constant, but its form changes.

The efficiency of an energy transformation is the percentage of the input energy that is transformed into useful output energy. In some cases, some energy is lost as heat or waste, decreasing the overall efficiency of the transformation.

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The total lift capacity of a balloon is determined by the amount of lift generated by the hot air or other lighter-than-air gas inside it.

The buoyancy force of a spherical balloon filled with helium is equal to the weight of the helium (Fb = mhg), where mh is the mass of helium, and g is the acceleration due to gravity. The total lifting force (Ft) of the balloon is equal to the buoyancy force of the helium plus the weight of the balloon structure (Ft = Fb + mb g), where mb is the mass of the balloon structure. Therefore, the total lifting force of the balloon is:

[tex]Ft = mhg + mb g[/tex]

The maximum cargo mass (mc) that can be lifted by the balloon is equal to the total lifting force divided by the acceleration due to gravity:

[tex]mc = \frac{Ft}{g} =\frac{ (mhg + mb g)}{g} \\ = mh + mb[/tex]

For a balloon with a radius of 7.15 m, filled with helium and a structure mass of 950 kg, the maximum cargo mass that can be lifted is:

[tex]mc = mh + mb = 0 + 950 kg = 950 kg[/tex]

Threrefore, the total lifting force of the balloon is:950kg

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complete question:A spherical balloon has a radius of 7.15 m and is filled with helium. How large a cargo can it lift, assuming that the skin and structure of the balloon have a mass of 950 kg? Neglect the buoyant force on the cargo volume itself.

Traction refers to the grip of the tire on the road.

The correct option is B.

The definition of traction is the strength with which something holds onto something and advances without slipping or tugging. A tyre is said to have strong traction when it glides over the road's surface easily and grips firmly.

It refers to the ability of the tire to maintain contact with the road surface and provide the necessary grip to accelerate, brake, and turn the vehicle. Factors that affect traction include the quality and condition of the tires, road surface conditions, and driving style.

adhesion between a body and a surface, such as a tyre on a road or a wheel on a rail.

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The time it takes for a 0.90 kg block to return to its initial position after being coupled to a spring with a spring constant of 10 n/m and put into simple harmonic motion is 1.88 seconds.

The time it takes for a block attached to a spring to complete one full oscillation (i.e., return to its starting position) in simple harmonic motion is given by:

[tex]T = 2\Pi\sqrt{(m/k)}[/tex]

here,

T is period of oscillation,

m is mass of the block, and

k is spring constant.

In this case, m = 0.90 kg and k = 10 N/m.

Reserving values :-

[tex]T = 2\pi\sqrt{(0.90 kg / 10 N/m)}[/tex]

[tex]T = 2\pi\sqrt{(0.09 m)}[/tex]

[tex]T = 2\pi * 0.3 m[/tex]

T = 1.88 s

Therefore, it will take approximately 1.88 seconds for the block to return to its starting position.

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At the bottom of the slide, the swimmer will be moving at a speed of 6.26 m/s. The velocity is the rate of change of the displacement with respect to time.

What is velocity?

The pace at which an object's position changes as perceived from a particular point of view and as measured by a particular unit of time (for example, 60 km/h northbound) is defined as its velocity. Velocity is a fundamental concept in kinematics, the branch of classical mechanics that deals with the motion of bodies. In order to be defined, the physical vector quantity known as velocity needs to have both a magnitude and a direction.

Steps for calculation:

[tex]v=\sqrt[]{2gh}[/tex]

[tex]v=\sqrt{2*9.81*2}[/tex]

[tex]v=6.26 m/sec[/tex]

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Correct question:

A 60 kg swimmer at a water park enters a pool using a 2 m high slide. Find the velocity of the swimmer at the bottom of the slide.

The technique of "supercooling" is what causes this immediate freezing. Water bottles may be instantly converted into interesting items by adding salt, ice, and water. Until something, such as a tapping motion, swiftly starts the freezing process, supercooled water will stay a liquid.

A 16-ounce water bottle made of plastic will freeze in about 90 minutes at 0 degrees Fahrenheit in a typical freezer. It will take roughly 45 minutes to freeze a smaller 8 ounce bottle of water.

Start by putting two water bottles in the freezer and setting a timer for two hours and fifteen minutes. These bottles must remain undisturbed for the full two hours and fifteen minutes.

Therefore, Although the air comes close to freezing water instantly, which occurs at minus 42 degrees,

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A marble rolls off a tabletop that is 1.4 m high and lands horizontally at a place 2 m from the edge of the table, t = 0.45 sec, VT=4.95 m/s, V=2.22 m/s

The conservation of energy principle can be used to compute the speed of the marble roll when it lands on the ground. Due to its height, the stone only contains potential energy at its initial position. The stone only contains kinetic energy in its final position as a result of its motion.

Generally, the equation for motion is mathematically given as

S= ut + 0.5at²

Therefore

y = Vo t + 0.5gt^2

1 = 0.5x 98 x 6²

1=4.9t^2

t= 0.45 seconds.

c) The acceleration in the x-direction will be zero because there is no force operating in that direction.

d) Throughout the marble's flight, gravity is exerting itself on it in the y direction. As a result, the marble's acceleration in the y direction will be equal to the acceleration caused by gravity

b) Horizontal motions are uniform.

V=Horizontal displacement/time

V=1/0.45

V=2.22m/s

C) Vx: 2.22 m/s At bottom,

Vy² = Voy² + 2as

Vy² = 2x95x1

Vy² = 19.6

VT=4.95 m/s

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The accepted values for the linear expansion coefficient; Aluminum: 23.1 x 10^-6 /°C, Brass: 19.0 x 10^-6 /°C, Copper: 16.7 x 10^-6 /°C

The accepted values for the linear expansion coefficient for aluminum, brass, and copper are as follows:

To compare with experimental values, we would need to know the values obtained from the experiment.

If the experimental values are known, we can calculate the percentage difference between the experimental values and the accepted values using the following formula:

% difference = [(experimental value - accepted value) / accepted value] x 100

If the experimental values are consistently high or low, it may indicate systematic errors in the experimental setup or method. If the errors are random, it may indicate limitations in the precision of the measurement tools or uncontrollable environmental factors.

Without the experimental values, we cannot provide a calculation of the percentage difference or determine if the experimental error is consistently high or low.

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If the charge on one object was doubled and the charge on the other object was tripled then the electrostatic force of attraction between the two charged object will increased by a factor of 6.

The electrostatic force of attraction F between two bodies of charges Q and q is given by the relation,

F = KQq/r²

r is the distance between them.

Now, letter say that the charge on one object was doubled and the charge on the other object was tripled, so, we can write,

Q' = 3Q and q = 2q,

Now, the new force of attraction,

F' = K(3Q)(2q)/r²

Putting F = KQq/r²,

F' = 6F

So, the new force of attraction between the two bodies will be increased by 6 times.

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The equivalent resistance of the resistive network is 6 ohms.

Resistance is the opposition to the flow of electric current, or the opposition to a change. It is caused by the collisions of electrons with the atoms in a material. Resistance is measured in Ohms and is represented by the Greek letter omega (Ω). Resistance is an important concept in electrical engineering and is used to calculate power, current, and voltage in electrical circuits. Resistance can be found in both conductors and insulators, and the resistance of a material depends on its composition, shape, and temperature. Resistance can be used to control the flow of current, protect circuits from damage, and convert electrical energy into heat. Resistance is an essential factor in determining the performance of electrical circuits.

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This is the same height as the clown, so if he looks up at the mirror from the floor he should be able to see his feet reflected in the mirror.

Mirror is a reflective surface, typically of glass, which displays images of objects placed in front of it. Mirrors are used in a variety of different applications, including personal grooming, decoration, interior design, viewing art, scientific uses, and more. A mirror is composed of a flat, smooth surface that reflects light in a specific direction. This reflection is what produces the image we see in the mirror. The reflective surface is usually made of glass, although other materials such as metal, plastic, and wood can also be used. Mirrors can be manufactured in a variety of shapes and sizes, from small hand-held makeup mirrors to large wall-mounted mirrors. Some mirrors are also designed with special coatings or treatments to enhance their reflective properties.

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If a system is isolated, then whether it is a collision or an explosion, each object involved encounters the identical impulse to cause the same momentum change.

Since the initial energy was changed into multiple kinds of energy during the explosion, the initial kinetic energy was not conserved. However, because mass is broken into fragments with velocities that are inversely proportional to mass, momentum will be conserved.

The linear momentum of two objects in an isolated system that are at rest and are driven apart by an explosion is constant. The two objects are initially at rest with zero linear motion (because vi2 and vi2 are both equal to zero).

Therefore, each object has an equal but opposite change in impulse and momentum. As a result, the system's overall momentum is conserved.

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The ecologist was comparing the density of white-tailed deer, Odocoileus virginianus, between two woodlots.

A population's density is calculated as the number of people in a given area or volume. It is a key parameter for comprehending the dynamics of populations and one of the most fundamental ideas in population ecology.

The number of people per unit area, such as per square meter or per square kilometer, is a common way to represent population density in the context of ecology. As an illustration, it is possible to compute the density of a certain species in a particular habitat by counting the number of individuals inside a given area and dividing that number by the area.

The dynamics of the population are significantly influenced by density. Increased resource competition brought on by a high population density may have an impact on population growth, survival, and reproduction. A low population density, on the other hand, may lead to less competition for resources and more food availability, which may encourage human growth and reproduction.

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Since the elevator is moving at a constant speed, the only forces acting on it are gravity and the tension force that the rope that pulls it up places on it.

What does elevator cable tension mean?

Total tension is equal to the weight plus the force of acceleration when lift is upward. Total tension equals the difference between weight and  force caused by acceleration as lift decreases.

The force communicated through a rope, string, or wire when two opposing forces draw on it is known as tension. The tension force draws energy equally on the bodies at the end and is applied along the length of the wire.

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Different substances have different reflectivities, or abilities to reflect light.

Reflectivity, also known as reflectance, is a measure of how much light is reflected by a substance compared to how much is absorbed or transmitted. It is a property of a material that depends on its chemical composition, physical structure, and surface properties. For example, a shiny metal surface such as a polished aluminum surface has a high reflectivity, meaning it reflects a large portion of the incident light. This is because metals have a smooth surface and free electrons that can move freely in response to the electromagnetic waves of the incident light, which results in a high reflectivity. On the other hand, a rough or matte surface such as paper has a low reflectivity, meaning it absorbs or scatters most of the incident light. This is because the rough surface causes light to reflect in different directions, and the material has a more complex internal structure that allows for absorption of the incident light. Different substances can also have different colors due to their reflectivity. For example, a red apple appears red because it absorbs most colors of light except for red, which it reflects. Similarly, a blue object appears blue because it reflects mostly blue light and absorbs other colors.

In summary, reflectivity is a property of a material that determines how much light is reflected compared to how much is absorbed or transmitted. Different substances have different reflectivities due to differences in their chemical composition, physical structure, and surface properties.

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A) The number of circular wave fronts that will fit in the sink will depend on the size of the sink. If the sink is 1 meter wide, then the circumference of the sink is approximately 3.14 meters.

A wave is a disturbance that propagates through space or some material medium, such as air or water, with or without an accompanying transfer of energy. In physics, a wave is an oscillation accompanied by a transfer of energy that travels through a medium or space.

Each wave front travels at a speed of 20 cm/s, it will take approximately 3.14 seconds for a wave front to travel around the entire sink once. Therefore, the number of wave fronts that will fit in the sink will be 1.5/3.14, or 0.48 wave fronts.

b) To calculate the energy delivered to the edge of the sink, we must first calculate the kinetic energy of the drop. The kinetic energy of the drop is equal to [tex]0.5 \times mass \times velocity^2[/tex], or  [tex]0.5 \times mass \times velocity^2[/tex] = 2J Since the energy of each drop is conserved in the wave it creates, each drop will deliver 2 J of energy to the edge of the sink.

c) The power provided by the leaky faucet is equal to the total energy of the drop divided by the time it takes for the drop to reach the edge of the sink:[tex]2 J/1.5 s = 1.33 W.[/tex]

d) The power delivered per meter of the sink's circumference is equal to the total power provided by the faucet divided by the circumference of the sink: [tex]1.33 W/3.14 m = 0.424 W/m.[/tex]

e) The power of the leaky faucet with a 5 meter diameter sink is 6.7 W, and the power per meter circumference is 1.34 W/m. The power has increased by a factor of 5, and the power per meter circumference has increased by a factor of 3.2.

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Statement that is true about chemical reaction that forms acid rain : b)The bonds that break are between N and O in HNO2and between O and H in HNO3.

Acid rain is a acid deposition, which refers to the many ways in which acidity can move from atmosphere to Earth's surface. Acid deposition includes acidic rain as well as other forms of acidic wet deposition such as snow, sleet, hail, and fog.

HNO2 is less stable thus dissociates easily to HNO3 + NO + H2O and HNO3 is a strong acid. Therefore, when they react with H2O, they form acid rain.

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Note: The question given on the portal is incomplete. Here is the complete question.

Question: Which two statements are true about this chemical reaction that forms acid rain? 2NO2 + H2O--> HNO2 +HNO3

a) The bonds that form are between N and O in HNO2 between and between O and H in HNO3.

b)The bonds that break are between N and O in HNO2and between O and H in HNO3.

c)The bonds that break are between N and O in NO2 and between O and H in H2O.

d)The bonds that form are between N and O in NO2 and between O and H in H2O.

Answer:  The correct two answers are  :  

1.)  The BONDS that FORM are between N and O in HNO  2   and between O and H in HNO 3

2.)  The BONDS that BREAK are between N and O in NO2 and between H and O in H2O

Explanation:   I took the test.